Lock nut



Jan. 30, 1923. 1,443,869

Gs J. LDS. Lqc T. FILED SEPT. 30, 1921.

Patented Jan. 30, 1923.

UNITED GEORGE J. CHILDS, F ALLENTOWN, PENNSYLVANIA, ASSIGNOE OF ONEFFOURTH TO WILLIAM I. MOYER, ONE-FOURTH T0 FRED A- BOGH, AND ONE-FOURTH TO JOHN H. HOLZINGER, ALLOF ALLENTOWN, PENN'SQYLV'ANIA.

LOCK NUT.

Application filed September .30, 1921. Serial No. 504,357.

To all whomz't may concern: I Thisxlocking element is in the form of Be it known that I, GnouenJ. CHILDS, a a length of metal substantially square in 50 citizen of the United States, residing at cross section, the lower portion, as before Allentown, in the county of Lehigh and stated being'i'ormed into the washer portion.

State of Pennsylvania, have invented a new 10, while the upper portion thereof is coiled and useful Lock Nut, of which the followas at 11, the free end thereof adapted to en-. ing is a specification. gage the shoulders 8, to restrict movement of 55 This invention relates to nut and bolt the nut? in one direction. I locks, the primary object of the invention From, the foregoing it will be seen that a being to provide a novel form of nut lock, nut supplied with a locking element as shown capable of looking a nut in various positions and described, may be rotated in one direcalong a b lt, v tion, but will be prevented from rotating in 60 Another object of the invention is to pro the opposite direction, by the free end of the vide removable means to permit the bolt section 11 contacting with the shoulders 8. 15 and nut to be connected, the bolt having Having thus described the invention,

notches formed in the periphery thereof to what is claimed as new is I accommodate the locking means. In a nut and bolt look, a bolt having lon- 65 With the foregoing and other objects in gitudinalgrooves formed in the threaded view which will appear as th description extremity thereof, each of the grooves inproceeds, the invention. resides in the comeluding an angular wall and a relatively bination and arrangement of parts and in straight wall, a nut movable on the threaded the details of construction hereinafter deportion of the bolt, alockingelement includ- 70 scribed and claimed, it being understood ing a length of resilient meta-l square in cross that changes in the precise embodiment of section and having a squared end portion, the invention herein disclosed, may be made one extremity of the length of metal being within the scope of what is claimed, with. formed into a. washer and adapted to fit out departing from the spirit of the invenunder the nut, the opposite "end of the lock 75 tion. ins element bein coiled around the bolt Q g Referring to the drawmgzabove the nut and having its squared end Figure l is a side elevational view of a portion engaging the straight wall of one bolt and nut constructed in accordance with of the grooves to exert a. pressure on the the present invention. coiled portion in a circular plane through- 80 Figure 2 is a plan view of the same. out the length of the coiled portion, upon Figure 8 is a sectional view taken on line reverse movement of the nut, and the inter- 3-3 of Figure 1. mediate portion of the locking element lying Referring to the drawing in detail, the in close engagement with one of the side reference character 5-designatesabolt which faces ofthe nut to hold the nut against 85 is provided with the usual threaded portion movement. i

6 designed toaccommodate the nut 7. In testimony that I claim the foregoing 40 The bolt is provided with longitudinal as my ow. l have hereto allixed my signa grooves providing shoulders 8, which shoulture in the presence of two witnesses. ders provide abutments for the upper end of the locking element 9, which locking element I GEORGE J. CHILDS. also embodies a circular section 10 constituting a washer. The nut 7 is formed with a, ,Witnesses:

vertical groove to accommodate a portion of E G1 R the locking element, whereby movement of JOHN H. TONER. the nut will be prevented. 

